(NEWSER) - A landmark study of rhesus monkeys suggests one way to live to a ripe old age in good health: Eat less. A lot less. Monkeys on a strict diet over the past 20 years—as in, a whopping 30% fewer calories than normal—have proven to be a healthier bunch than a control group, with fewer cases of cancer, diabetes, and heart and brain disease, reports the New York Times. More»